Rohan Khanna

• Username: 2★rohan94
• Country:  India
• Student/Professional:Professional
• Organisation:Amazon Development Center, Bangalore, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 21

Current Ratings Graph Old Ratings Graph

1577 (-27)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2016(2016-02-15 15:00:00)

Global Rank:   2480

Cheated in:   

Ratings System Update

(2016-02-15 15:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

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1577 (+52)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2016(2022-12-20 00:00:00)

Global Rank:   2480

Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

How the rating system works?

Learning Paths (0)

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Practice Paths (0)

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Contests (21)

January Challenge 2014

Chef and Feedback, Please like me

October Cook-Off 2014

Walk on the Axis

February Challenge 2014

Longest Common Pattern, Little Elephant and Subarrays

June Challenge 2014

Chef and Subarray, Guessing Game, Forgot Password

July Challenge 2014

Chef and Frogs, Count Substrings, Reach The Point

September Challenge 2014

Fun with Rotation, Chef and Left-Right

October Challenge 2014

Remy paints the fence, Chef and Ground, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus

November Challenge 2014

Chef and Segment Game, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome

December Challenge 2014

Chef and Apple Trees, XOR with Subset, Alok-nath and His Sanskars

January Challenge 2015

Sereja and Number Division 2, Chef and A Large Permutation, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Gcd Queries

February Challenge 2015

Chef and Equality, Let us play with rank list, Chef and Strange Formula, Chef and Chain

March Challenge 2015

Chef and Notebooks, Sign Wave

April Challenge 2015

Count Sequences, Chef and Interview, Broken Telephone, Chef and Piano Scales

May Challenge 2015

Set Difference , Chef and new recipe

June Challenge 2015

Chef and Memory Limit

February Challenge 2016

Chef-Detective

Total Problems Solved: 109